10998553 has 2 divisors, whose sum is σ = 10998554. Its totient is φ = 10998552.

The previous prime is 10998551. The next prime is 10998557. The reversal of 10998553 is 35589901.

10998553 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9290304 + 1708249 = 3048^2 + 1307^2 .

It is a cyclic number.

It is not a de Polignac number, because 10998553 - 2¹ = 10998551 is a prime.

Together with 10998551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10998551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5499276 + 5499277.

It is an arithmetic number, because the mean of its divisors is an integer number (5499277).

Almost surely, 2^10998553 is an apocalyptic number.

It is an amenable number.

10998553 is a deficient number, since it is larger than the sum of its proper divisors (1).

10998553 is an equidigital number, since it uses as much as digits as its factorization.

10998553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 10998553 is about 3316.4066397232. The cubic root of 10998553 is about 222.3882568136.

The spelling of 10998553 in words is "ten million, nine hundred ninety-eight thousand, five hundred fifty-three".